Предмет: Физика, автор: Maxim345

1) При бросании тела вертикально вверх скорость тела увеличили в 2 раза. Во сколько раз увеличится высота подъёма тела?
а) в 2 раза
б) в 4 раза.
2) Кабина лифта движется с ускорением 0,8мс^2. Пассажир,находящийся в ней, роняет книгу. Чему равен модуль ускорения книги относительно Земли и лифта, если ускорение лифта направленно вниз?
а)Земли 9,8Мс^2. лифта 9,8мc^2.
б)Земли 9,8мс^2. лифта 9мс^2.
в)Земли 10,6мс^2, лифта 0,8мc^2.

Ответы

Автор ответа: MashaPutnaj

1 (б)
так как H=V^2/2*g

2(б)

ускорение относительно Земли g=9,8 м/с2
а относительно лифта a=9,8-0,8=9 м/с2

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Summative assessment for the unit “Values”
Learning objectives
5.L8 Understand independently specific information and detail in short, simple texts on a limited range of general and curricular topics
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Level of thinking skills

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Apploication

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Task 1. Read the text
A VILLAGE SCHOOL
The Greens are a British family. Mr. Green is a builder and Mrs. Green is a housewife. There are three children in the family: a son and two daughters. Mike is thirteen years old, Sandy is twelve and Kate is ten.
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The Greens are in Africa now.
The garden around the school is very beautiful.
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Task 2. Open the brackets and put the verbs in the correct form of Present Simple.(Affirmative, negative, questions.)
We ________ (have) our English lessons twice a week.(+)
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